Press Release

Harmonic Announces Audio Webcast of Conference Presentation

November 8, 2001

SUNNYVALE, Calif.--(BUSINESS WIRE)--Nov. 8, 2001--Harmonic Inc. (Nasdaq:HLIT) today announced that it will be presenting at the Sixth Annual UBS Warburg Global Telecom Conference on Tuesday, November 13, 2001, at 1:15 P.M. Eastern/10:15 A.M. Pacific. The live audio webcast of Harmonic's presentation will be available at http://webcast.mediaondemand.com/ubs/20011112/. The replay will be available 24 hours after the live presentation through November 21, 2001 at the same Web address.

About Harmonic Inc.

Harmonic is a leading provider of innovative broadband solutions that deliver video, voice and data to communications providers around the world. Harmonic's technically advanced fiber optic, digital video and IP data delivery systems enable network operators to provide a range of interactive and advanced digital services that include high-speed Internet access, telephony, digital video, HDTV, video & audio streaming, and video-on-demand.

Harmonic (Nasdaq: HLIT) is headquartered in Sunnyvale, California with R&D, sales, and system integration centers worldwide. The Company has customers in over 40 countries on six continents, including many of the world's largest communications providers. For more information, visit www.harmonicinc.com.

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CONTACT: Harmonic Inc.
Robin N. Dickson, 408/542-2500 (CFO)
or
StreetConnect
Michael Newman, 408/542-2760 (Investor Relations)